SG178334A1 - Enhanced high water recovery membrane process - Google Patents
Enhanced high water recovery membrane process Download PDFInfo
- Publication number
- SG178334A1 SG178334A1 SG2012009056A SG2012009056A SG178334A1 SG 178334 A1 SG178334 A1 SG 178334A1 SG 2012009056 A SG2012009056 A SG 2012009056A SG 2012009056 A SG2012009056 A SG 2012009056A SG 178334 A1 SG178334 A1 SG 178334A1
- Authority
- SG
- Singapore
- Prior art keywords
- membrane
- inorganic compounds
- free
- concentrate
- stream
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 386
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 260
- 238000000034 method Methods 0.000 title claims abstract description 97
- 238000011084 recovery Methods 0.000 title claims abstract description 81
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 212
- 239000012141 concentrate Substances 0.000 claims abstract description 147
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 118
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 117
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 102
- 239000008213 purified water Substances 0.000 claims abstract description 89
- 239000006228 supernatant Substances 0.000 claims abstract description 23
- 238000009388 chemical precipitation Methods 0.000 claims abstract description 21
- 230000014759 maintenance of location Effects 0.000 claims abstract description 16
- 238000001223 reverse osmosis Methods 0.000 claims description 129
- 239000012466 permeate Substances 0.000 claims description 64
- 150000001875 compounds Chemical class 0.000 claims description 52
- 239000007787 solid Substances 0.000 claims description 52
- 238000001556 precipitation Methods 0.000 claims description 41
- 238000005342 ion exchange Methods 0.000 claims description 38
- 238000001914 filtration Methods 0.000 claims description 27
- 239000002002 slurry Substances 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 19
- 238000001728 nano-filtration Methods 0.000 claims description 18
- 238000011282 treatment Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 230000003204 osmotic effect Effects 0.000 claims description 11
- 150000002894 organic compounds Chemical class 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 9
- 239000012670 alkaline solution Substances 0.000 claims 5
- 230000007935 neutral effect Effects 0.000 claims 5
- 229920006395 saturated elastomer Polymers 0.000 claims 5
- 239000010414 supernatant solution Substances 0.000 claims 5
- 238000000746 purification Methods 0.000 abstract description 12
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000003456 ion exchange resin Substances 0.000 abstract description 2
- 229920003303 ion-exchange polymer Polymers 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000000108 ultra-filtration Methods 0.000 description 11
- 238000004064 recycling Methods 0.000 description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 9
- 239000011575 calcium Substances 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000005352 clarification Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000001471 micro-filtration Methods 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 229910052788 barium Inorganic materials 0.000 description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- -1 bi- carbonate Chemical compound 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013327 media filtration Methods 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000021962 pH elevation Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000012545 Vaccinium macrocarpon Nutrition 0.000 description 1
- 240000001717 Vaccinium macrocarpon Species 0.000 description 1
- 235000002118 Vaccinium oxycoccus Nutrition 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000004634 cranberry Nutrition 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/029—Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/08—Specific process operations in the concentrate stream
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/60—Silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
- C02F1/64—Heavy metal compounds of iron or manganese
- C02F1/645—Devices for iron precipitation and treatment by air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/083—Mineral agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2009210363A AU2009210363A1 (en) | 2008-08-14 | 2009-08-15 | Enhanced High Water Recovery Membrane Process |
| PCT/CA2010/001240 WO2011020176A1 (en) | 2009-08-15 | 2010-08-11 | Enhanced high water recovery membrane process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG178334A1 true SG178334A1 (en) | 2012-03-29 |
Family
ID=43607373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2012009056A SG178334A1 (en) | 2009-08-15 | 2010-08-11 | Enhanced high water recovery membrane process |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2464609A4 (es) |
| CN (1) | CN102656122B (es) |
| BR (1) | BR112012003296A2 (es) |
| IN (1) | IN2012DN01222A (es) |
| MX (1) | MX2012001949A (es) |
| SG (1) | SG178334A1 (es) |
| WO (1) | WO2011020176A1 (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9199866B2 (en) | 2011-08-17 | 2015-12-01 | Riad A. Al-Samadi | High recovery drinking water process |
| US9840426B2 (en) * | 2013-04-26 | 2017-12-12 | Dow Global Technologies Llc | Water treatment assembly including hyperfiltration module and pressurizable reservoir |
| IN2014DE02410A (es) * | 2013-08-23 | 2015-07-03 | Aquatech Int Corp | |
| CN106232210A (zh) * | 2014-03-31 | 2016-12-14 | 南洋理工大学 | 反渗透装置和方法 |
| CN109562967B (zh) * | 2016-05-11 | 2023-04-11 | 滨特尔过滤解决方案有限责任公司 | 水离子化系统和方法 |
| JP7020821B2 (ja) * | 2017-08-31 | 2022-02-16 | オルガノ株式会社 | 硬度成分含有水の処理装置および処理方法 |
| WO2019112933A1 (en) * | 2017-12-07 | 2019-06-13 | Veolia Water Solutions & Technologies Support | Method for treating produced water |
| JP7759216B2 (ja) * | 2021-09-06 | 2025-10-23 | オルガノ株式会社 | 水処理方法及び水処理装置 |
| CN119038767B (zh) * | 2024-10-31 | 2025-01-21 | 金科环境股份有限公司 | 一种反渗透浓水的处理方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639231A (en) * | 1970-11-13 | 1972-02-01 | Bresler And Associates Inc | Desalination process |
| US3799806A (en) | 1972-04-20 | 1974-03-26 | Danske Sukkerfab | Process for the purification and clarification of sugar juices,involving ultrafiltration |
| US4000065A (en) | 1974-11-18 | 1976-12-28 | Basf Wyandotte Corporation | Method and apparatus for purifying aqueous streams contaminated with organic materials |
| FR2318908A1 (fr) | 1975-07-22 | 1977-02-18 | Sefcal Sarl | Procede de traitement d'extraits anthocyaniques |
| JPS5325280A (en) | 1976-08-10 | 1978-03-08 | Ebara Infilco Co Ltd | Treating method for liquid containing organic and inorganic substances |
| JPS57197085A (en) * | 1981-05-28 | 1982-12-03 | Daicel Chem Ind Ltd | System for preparing purified water |
| US4775477A (en) | 1987-10-30 | 1988-10-04 | General Foods Corporation | Cranberry color extraction |
| US5182023A (en) | 1991-10-17 | 1993-01-26 | Texas Romec, Inc. | Process for removing arsenic from water |
| JP3187629B2 (ja) * | 1993-12-16 | 2001-07-11 | オルガノ株式会社 | 逆浸透膜処理方法 |
| US5501798A (en) | 1994-04-06 | 1996-03-26 | Zenon Environmental, Inc. | Microfiltration enhanced reverse osmosis for water treatment |
| US5925255A (en) | 1997-03-01 | 1999-07-20 | Mukhopadhyay; Debasish | Method and apparatus for high efficiency reverse osmosis operation |
| US6537456B2 (en) | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
| CA2186963C (en) | 1996-10-01 | 1999-03-30 | Riad A. Al-Samadi | High water recovery membrane purification process |
| CN1339409A (zh) * | 2001-08-22 | 2002-03-13 | 盘锦市华意环境工程有限公司 | 稠油污水深度处理及回用技术 |
-
2010
- 2010-08-11 WO PCT/CA2010/001240 patent/WO2011020176A1/en not_active Ceased
- 2010-08-11 SG SG2012009056A patent/SG178334A1/en unknown
- 2010-08-11 EP EP10809390.7A patent/EP2464609A4/en not_active Withdrawn
- 2010-08-11 MX MX2012001949A patent/MX2012001949A/es active IP Right Grant
- 2010-08-11 BR BR112012003296A patent/BR112012003296A2/pt not_active IP Right Cessation
- 2010-08-11 CN CN201080036024.2A patent/CN102656122B/zh active Active
-
2012
- 2012-02-09 IN IN1222DEN2012 patent/IN2012DN01222A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN102656122B (zh) | 2014-05-28 |
| EP2464609A1 (en) | 2012-06-20 |
| CN102656122A (zh) | 2012-09-05 |
| MX2012001949A (es) | 2012-07-25 |
| IN2012DN01222A (es) | 2015-04-10 |
| WO2011020176A1 (en) | 2011-02-24 |
| BR112012003296A2 (pt) | 2019-09-24 |
| EP2464609A4 (en) | 2014-10-08 |
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